关节松动术手法Ⅲ级（） A.治疗关节疼痛伴有僵硬 B.治疗关节因周围组织粘连、挛缩引

阅读小天地。根据短文内容判断下列句子的正(√)误(×)。

      It is Christmas Eve now. My sister and I are very busy. We are putting some colour lights and our

Christmas presents on the Christmas tree. There is also a big red star on top of the tree. My sister is putting

some Christmas cards on the shelf. There are cards for everyone in our family and there are some presents

for everyone, too.

( ) 1. It is Christmas day now.

( ) 2. My brother and I are very busy on that day.

( ) 3. There is also a big red star on top of the tree.

( ) 4. My sister is putting some Christmas cards on the tree.

( ) 5. There are cards and some presents for everyone.

下列哪种疾病属于自然疫源性疾病

A.痢疾 

B.鼠疫 

C.霍乱 

D.炭疽 

E.军团菌病 

选择萃取剂时，对萃取剂与原溶液，原溶剂之间界面张力产生的重要影响，叙述正确的是（）。

A、表面张力过小，两相传质后易达到平衡状态

B、表面张力过大，易产生乳化现象

C、表面张力要适中，首先要满足易分层的需要

D、界面张力越大，“级效率”越高

残疾人就业促进日，一年有几次、是什么时间？

问题处理方案的正确而完整的描述称为______。